#010818#010818

#010818 is a very dark, muted blue. Relative luminance 0.002; OKLCH L 13.6% C 0.040 H 256.4°. Best body text is #FFFFFF at 20.02:1 contrast (WCAG AA passes).

Color values

HEX	#010818
RGB	rgb(1, 8, 24)
HSL	hsl(222, 92%, 5%)
HSV	hsv(222, 96%, 9%)
CMYK	cmyk(95.8%, 66.7%, 0%, 90.6%)
CIE-LAB	lab(2.22, 1.24, -9.01)
CIE-LCH	lch(2.22, 9.09, 277.87°)
OKLab	oklab(13.58% -0.0093 -0.0385)
OKLCH	oklch(13.58% 0.04 256.4)
XYZ	xyz(0.2642, 0.2460, 0.8975)
Luminance	0.0025 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#010818 #181101

analogous

#011418 #010818 #050118

triadic

#010818 #180108 #081801

tetradic

#010818 #180114 #181101 #011805

square

#010818 #180114 #181101 #011805

split-complementary

#010818 #180501 #141801

monochromatic

#010A1D #010A1D #010A1D #031C53 #062F8E

Accessibility & contrast

On white

20.02

#010818 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.05

#010818 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #010818

20.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##010818	#FFFFFF	#000000	##FFFFFF
##010818	1.00	20.02	1.05	20.02
#FFFFFF	20.02	1.00	21.00	1.00
#000000	1.05	21.00	1.00	21.00
##FFFFFF	20.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#020919

Deuteranopia (green-blind)

#000718

Tritanopia (blue-blind)

#000C0E

Achromatopsia (no color)

#080808

Design tokens & code

CSS

--color: #010818;
/* rgb */ color: rgb(1, 8, 24);
/* oklch */ color: oklch(13.6% 0.040 256.4);

Tailwind

colors: {
  custom: {
    50: '#474a54',
    500: '#010818',
    950: '#000000',
  },
}

SCSS

$custom: #010818;
$custom-light: #474a54;
$custom-dark: #000000;

JSON

{
  "hex": "#010818",
  "rgb": {
    "r": 1,
    "g": 8,
    "b": 24
  },
  "hsl": {
    "h": 221.739,
    "s": 92,
    "l": 4.902
  },
  "oklch": {
    "l": 0.13578,
    "c": 0.03957,
    "h": 256.4
  },
  "luminance": 0.00246
}

Semantic roles & 50–950 ramp

primary

#010818

secondary

#604915

accent

#BE29FF

background

#F3F4F4

surface

#E5E7E7

border

#C1C3C3

text

#000102

muted

#777778

Preview Lab

Preview with #010818

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →